What’s More Likely From Unprotected Sex: Getting Pregnant or Getting an STD?

What’s More Likely From Unprotected Sex: Getting Pregnant or Getting an STD?

A reader submitted the following question:

“What is more probable in a random heterosexual encounter without protection: getting an STD or getting pregnant? I assume the answer will change with age (higher chances of STD for older people, higher chances of pregnancy for younger women) but I think would be interesting to know the answer for an average person.”

Thanks for this very interesting, but very complex question! There’s not a simple answer because there are a lot of unaccounted for variables here.

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